Ceramic Capacitors FAQQ[Temperature characteristics] What is the difference between Murata part number code "B1" and "B3" corresponding to JIS code "B"?

The temperature characteristic code "B" specified by JIS can individually specify the capacitance change rate when a voltage is applied.
Murata defines the capacitance change rate when one half of the rated voltage is applied as follows.

B1: within +10%/-30%
B3: No regulation

For more information, see this technical article.

Actual case

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